Excerpts from Foxnews.com:

Illinois State Trooper Christopher Lambert (Illinois State Police)

Illinois State Trooper Christopher Lambert, 34, was traveling home on Interstate 294 near Northbrook Saturday night (1/12/19) when he saw a three-car crash and stopped to investigate. Lambert, a five-year veteran of the state police, was standing near the crash site when he was struck by a Jeep traveling north. The vehicle failed to slow down and threw Lambert several feet. A nurse at the scene performed CPR on him until paramedics arrived.

He was pronounced dead at a hospital around 7:25 p.m. He leaves behind a 1-year-old child.

Tags: Illinois State Police LODD, Illinois State Trooper Christopher Lambert, Illinois State Trooper killed at crash scene